/*
 * Copyright (c) 2022-2023 Termony Co., Ltd. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this list of
 *    conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
 *    of conditions and the following disclaimer in the documentation and/or other materials
 *    provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
 *    to endorse or promote products derived from this software without specific prior written
 *    permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _LOS_ARCH_CONTEXT_H
#define _LOS_ARCH_CONTEXT_H

#include "los_config.h"
#include "los_compiler.h"

#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */

typedef struct TagTskContext {
#if (LOSCFG_PLATFORM_FPU_ENABLE > 0)
    UINT64 fpcr;
    UINT64 fpsr;
    UINT64 v[32 * 2];
#endif /* LOSCFG_PLATFORM_FPU_ENABLE */
    UINT64 elr;
    UINT64 spsr;
    UINT64 x30;
    UINT64 sp;
    UINT64 x28;
    UINT64 x29;
    UINT64 x26;
    UINT64 x27;
    UINT64 x24;
    UINT64 x25;
    UINT64 x22;
    UINT64 x23;
    UINT64 x20;
    UINT64 x21;
    UINT64 x18;
    UINT64 x19;
    UINT64 x16;
    UINT64 x17;
    UINT64 x14;
    UINT64 x15;
    UINT64 x12;
    UINT64 x13;
    UINT64 x10;
    UINT64 x11;
    UINT64 x8;
    UINT64 x9;
    UINT64 x6;
    UINT64 x7;
    UINT64 x4;
    UINT64 x5;
    UINT64 x2;
    UINT64 x3;
    UINT64 x0;
    UINT64 x1;
} TaskContext;

/* FPU上下文标识, 在任务切换时如果需要保存置1. */
extern volatile UINTPTR g_taskHasFPUContext;
/* 任务调度请求标识, 在中断中请求调度任务时置1. */
extern volatile UINTPTR g_taskYieldRequired;

/**
 * @ingroup  los_config
 * @brief: Task start running function.
 *
 * @par Description:
 * This API is used to start a task.
 *
 * @attention:
 * <ul><li>None.</li></ul>
 *
 * @param: None.
 *
 * @retval None.
 *
 * @par Dependency:
 * <ul><li>los_config.h: the header file that contains the API declaration.</li></ul>
 * @see None.
 */
extern VOID HalStartToRun(VOID);

#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */

#endif /* _LOS_ARCH_CONTEXT_H */
